Knife



FIG. 1 is a front perspective view of a knife according to a first embodiment of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of a knife according to a second embodiment of our design;

FIG. 9 is a front view thereof;

FIG. 10 is a back view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a top view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a front perspective view of a knife according to a third embodiment of our design;

FIG. 16 is a front view thereof;

FIG. 17 is a back view thereof;

FIG. 18 is a right side view thereof;

FIG. 19 is a left side view thereof;

FIG. 20 is a top view thereof; and,

FIG. 21 is a bottom view thereof.

Broken lines are environmental only and form no part of the claimed design.

Dash-dot lines adjacent un-shaded areas represent bounds of the claimed design and form no part of the claimed design themselves. 

CLAIM The ornamental design for a knife, as shown and described. 